1 /* 2 * CKEditor - The text editor for Internet - http://ckeditor.com 3 * Copyright (C) 2003-2008 Frederico Caldeira Knabben 4 * 5 * == BEGIN LICENSE == 6 * 7 * Licensed under the terms of any of the following licenses at your 8 * choice: 9 * 10 * - GNU General Public License Version 2 or later (the "GPL") 11 * http://www.gnu.org/licenses/gpl.html 12 * 13 * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") 14 * http://www.gnu.org/licenses/lgpl.html 15 * 16 * - Mozilla Public License Version 1.1 or later (the "MPL") 17 * http://www.mozilla.org/MPL/MPL-1.1.html 18 * 19 * == END LICENSE == 20 */ 21 22 /** 23 * @fileOverview Defines the {@link CKEDITOR.loader} objects, which is used to 24 * load core scripts and their dependencies from _source. 25 */ 26 27 if ( typeof CKEDITOR == 'undefined' ) 28 CKEDITOR = {}; 29 30 /** 31 * Load core scripts and their dependencies from _source. 32 * @namespace 33 * @example 34 */ 35 CKEDITOR.loader = (function() 36 { 37 // Table of script names and their dependencies. 38 var scripts = 39 { 40 'lang/en' : [], // TODO: Remove me 41 42 'core/_bootstrap' : [ 'core/config', 'core/ckeditor', 'core/plugins', 'core/scriptLoader', 'core/tools', /* The following are entries that we wnat to force loading to at the end to avoid dependence recursion */ 'core/dom/text' ], 43 'core/ajax' : [ 'core/xml' ], 44 'core/ckeditor' : [ 'core/ajax', 'core/ckeditor_basic', 'core/dom', 'core/dom/document', 'core/dom/element', 'core/editor', 'core/event', 'core/tools' ], 45 'core/ckeditor_base' : [], 46 'core/ckeditor_basic' : [ 'core/env', 'core/event' ], 47 'core/config' : [ 'core/ckeditor_base' ], 48 'core/dom' : [], 49 'core/dom/document' : [ 'core/dom','core/dom/element' ], 50 'core/dom/element' : [ 'core/dom', 'core/dom/document', 'core/dom/node', 'core/tools' ], 51 'core/dom/node' : [], 52 'core/dom/text' : [ 'core/dom/node' ], 53 'core/editor' : [ 'core/config', 'core/event', 'core/plugins', 'core/skins', 'core/themes', 'core/tools' ], 54 'core/env' : [], 55 'core/event' : [], 56 'core/plugins' : [ 'core/resourceManager' ], 57 'core/resourceManager' : [ 'core/scriptLoader', 'core/tools' ], 58 'core/scriptLoader' : [ 'core/dom/element', 'core/env' ], 59 'core/skins' : [], 60 'core/themes' : [ 'lang/en', 'core/resourceManager' ], 61 'core/tools' : [ 'core/env' ], 62 'core/xml' : [ 'core/env' ] 63 }; 64 65 var basePath = (function() 66 { 67 // This is a copy of CKEDITOR.basePath, but requires the script having 68 // "_source/core/loader.js". 69 if ( CKEDITOR && CKEDITOR.basePath ) 70 return CKEDITOR.basePath; 71 72 // Find out the editor directory path, based on its <script> tag. 73 var path = ''; 74 var scripts = document.getElementsByTagName( 'script' ); 75 76 for ( var i = 0 ; i < scripts.length ; i++ ) 77 { 78 var match = scripts[i].src.match( /(^|.*[\\\/])core\/loader.js(?:\?.*)?$/i ); 79 80 if ( match ) 81 { 82 path = match[1]; 83 break; 84 } 85 } 86 87 // In IE (only) the script.src string is the raw valued entered in the 88 // HTML. Other browsers return the full resolved URL instead. 89 if ( path.indexOf('://') == -1 ) 90 { 91 // Absolute path. 92 if ( path.indexOf( '/' ) === 0 ) 93 path = location.href.match( /^.*?:\/\/[^\/]*/ )[0] + path; 94 // Relative path. 95 else 96 path = location.href.match( /^[^\?]*\// )[0] + path; 97 } 98 99 return path; 100 })(); 101 102 /** @lends CKEDITOR.loader */ 103 return { 104 /** 105 * The list of loaded scripts in their loading order. 106 * @type Array 107 * @example 108 * // Alert the loaded script names. 109 * alert( <b>CKEDITOR.loader.loadedScripts</b> ); 110 */ 111 loadedScripts : [], 112 113 /** 114 * Loads a specific script, including its dependencies. This is not a 115 * synchronous loading, which means that the code the be loaded will 116 * not necessarily be available after this call. 117 * @example 118 * CKEDITOR.loader.load( 'core/dom/element' ); 119 */ 120 load : function( scriptName ) 121 { 122 // Check if the script has already been loaded. 123 if ( scriptName in this.loadedScripts ) 124 return; 125 126 // Get the script dependencies list. 127 var dependencies = scripts[ scriptName ]; 128 if ( !dependencies ) 129 throw 'The script name"' + scriptName + '" is not defined.'; 130 131 // Mark the script as loaded, even before really loading it, to 132 // avoid cross references recursion. 133 this.loadedScripts[ scriptName ] = true; 134 135 // Load all dependencies first. 136 for ( var i = 0 ; i < dependencies.length ; i++ ) 137 this.load( dependencies[ i ] ); 138 139 // Append this script to the list of loaded scripts. 140 this.loadedScripts.push( scriptName ); 141 142 var scriptSrc = basePath + '_source/' + scriptName + '.js'; 143 144 // Append the <script> element to the DOM. 145 if ( document.body ) 146 { 147 var script = document.createElement( 'script' ); 148 script.type = 'text/javascript'; 149 script.src = scriptSrc; 150 151 document.body.appendChild( script ); 152 } 153 else 154 document.write( '<script src="' + scriptSrc + '" type="text/javascript"><\/script>' ); 155 } 156 }; 157 })(); 158 159 // Check if any script has been defined for autoload. 160 if ( CKEDITOR._autoLoad ) 161 { 162 CKEDITOR.loader.load( CKEDITOR._autoLoad ); 163 delete CKEDITOR._autoLoad; 164 } 165